Method, device, and storage medium for processing data flow
View Patent ↗A method and apparatus for processing a data flow, and a computer storage medium are provided. The data flow processing method includes receiving, by an electronic device, first information, where the first information is used to indicate a transmission manner of data flow(s). The method also includes processing, by the electronic device, the data flow(s) based on the first information.
1. A data flow processing method, comprising:
receiving, by an electronic device from a Session Management Function (SMF), first information used to indicate a duplication transmission manner of one or more Quality of Service (QoS) flows;
performing, by the electronic device, a duplication transmission of the one or more QoS flows based on the duplication transmission manner indicated by the first information, wherein the duplication transmission manner of the one or more QoS flows comprises transmitting the one or more QoS flows having a first QoS flow identifier (QFI) based on at least two paths, and wherein the one or more QoS flows correspond to a same Protocol Data Unit (PDU) session;
wherein the duplication transmission manner of the one or more QoS flows comprises:
a manner of performing, by the electronic device, duplication and transmission processing on a data packet in the one or more QoS flows;
wherein when the electronic device is a User Equipment (UE), the manner of performing, by the electronic device, duplication and transmission processing on the data packet in the one or more QoS flows comprises:
sending, by a second Packet Data Convergence Protocol (PDCP) entity of the electronic device, a data packet having a serial number (SN) to a first PDCP entity of the electronic device; and
performing, by the first PDCP entity, duplication and transmission processing on the received data packet based on the SN;
wherein the first information is used to indicate the second PDCP entity to send a data packet corresponding to a third QFI having a mapping relationship with a second QFI to the first PDCP entity.
2. The method according to claim 1 , wherein the manner of performing duplication and transmission processing on the data packet comprises performing redundant transmission of the data packet using a core network tunnel.
3. The method according to claim 1 , wherein the duplication transmission manner of the one or more QoS flows comprises at least one of:
duplicating the same data packet with the same SN; or
encapsulating the SN in GTP-U layer, PDCP layer, or SDAP layer.
4. The method according to claim 1 , wherein the duplication transmission manner of the one or more QoS flows comprises:
duplicating, by the electronic device, one or more data packets; and
assigning, by the electronic device, identifiers to the one or more data packets, wherein a receiving device that receives the one or more data packets is configured to deduplicate the one or more data packets using at least one of:
a flow identifier; or
an SN.
5. The method according to claim 1 , wherein the duplication transmission manner of the one or more QoS flows comprises at least one of:
performing redundant transmission on the one or more QoS flows based on a core network tunnel; or
performing redundant transmission on the one or more QoS flows based on an air interface connection.
6. An apparatus for processing a data flow, the apparatus comprising:
a communication interface;
a memory configured to store computer-executable instructions; and
one or more processors in communication with the communication interface and the memory and configured to execute the computer-executable instructions to at least:
receive, from a Session Management Function (SMF), first information used to indicate a duplication transmission manner of the one or more Quality of Service (QoS) flows,
perform a duplication transmission of the one or more QoS flows based on the duplication transmission manner indicated by the first information, wherein the duplication transmission manner of the one or more QoS flows comprises transmitting the one or more QoS flows having a first QoS flow identifier (QFI) based on at least two paths, and wherein the one or more QoS flows correspond to a same Protocol Data Unit (PDU) session;
wherein the duplication transmission manner of the one or more QoS flows comprises:
a manner of performing duplication and transmission processing on a data packet in the one or more QoS flows;
wherein when the apparatus is a User Equipment (UE), the manner of performing duplication and transmission processing on the data packet in the one or more QoS flows comprises:
sending, by a second Packet Data Convergence Protocol (PDCP) entity of the apparatus, a data packet having a serial number (SN) to a first PDCP entity of the apparatus; and
performing, by the first PDCP entity, duplication and transmission processing on the received data packet based on the SN;
wherein the first information is used to indicate the second PDCP entity to send a data packet corresponding to a third QFI having a mapping relationship with a second QFI to the first PDCP entity.
7. The apparatus of claim 6 , wherein the manner of performing duplication and transmission processing on the data packet comprises performing redundant transmission of the data packet using a core network tunnel.
8. The apparatus of claim 6 , wherein the duplication transmission manner of the one or more QoS flows comprises at least one of:
duplicating the same data packet with the same SN; or
encapsulating the SN in GTP-U layer, PDCP layer, or SDAP layer.
9. The apparatus of claim 6 , wherein the duplication transmission manner of the one or more QoS flows comprises:
duplicating one or more data packets; and
assigning identifiers to the one or more data packets, wherein a receiving device that receives the one or more data packets is configured to deduplicate the one or more data packets using at least one of:
a flow identifier; or
an SN.
10. The apparatus of claim 6 , wherein the duplication transmission manner of the one or more QoS flows comprises at least one of:
performing redundant transmission on the one or more QoS flows based on a core network tunnel; or
performing redundant transmission on the one or more QoS flows based on an air interface connection.
11. A non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by a computer system, configure the computer system to perform operations comprising:
receiving, by an electronic device from a Session Management Function (SMF), first information used to indicate a duplication transmission manner of one or more Quality of Service (QoS) flows,
performing, by the electronic device, a duplication transmission of the one or more QoS flows based on the duplication transmission manner indicated by the first information, wherein the duplication transmission manner of the one or more QoS flows comprises transmitting the one or more QoS flows having a first QoS flow identifier (QFI) based on at least two paths, and wherein the one or more QoS flows correspond to a same Protocol Data Unit (PDU) session;
wherein the duplication transmission manner of the one or more QoS flows comprises:
a manner of performing, by the electronic device, duplication and transmission processing on a data packet in the one or more QoS flows;
wherein when the electronic device is a User Equipment (UE), the manner of performing, by the electronic device, duplication and transmission processing on the data packet in the one or more QoS flows comprises:
sending, by a second Packet Data Convergence Protocol (PDCP) entity of the electronic device, a data packet having a serial number (SN) to a first PDCP entity of the electronic device; and
performing, by the first PDCP entity, duplication and transmission processing on the received data packet based on the SN;
wherein the first information is used to indicate the second PDCP entity to send a data packet corresponding to a third QFI having a mapping relationship with a second QFI to the first PDCP entity.
12. The non-transitory computer-readable storage medium of claim 11 , wherein the manner of performing duplication and transmission processing on the data packet comprises performing redundant transmission of the data packet using a core network tunnel.
13. The non-transitory computer-readable storage medium of claim 11 , wherein the transmission manner of the one or more QoS flows comprises at least one of:
performing redundant transmission on the one or more QoS flows based on a core network tunnel; or
performing redundant transmission on the one or more QoS flows based on an air interface connection.